diff --git a/SparkleLib/SparkleHelpers.cs b/SparkleLib/SparkleHelpers.cs
index 741648d7..9a00fef3 100644
--- a/SparkleLib/SparkleHelpers.cs
+++ b/SparkleLib/SparkleHelpers.cs
@@ -17,6 +17,7 @@
 
 using System;
 using System.IO;
+using System.Text.RegularExpressions;
 
 namespace SparkleLib {
     
@@ -76,5 +77,10 @@ namespace SparkleLib {
             DateTime unix_epoch = new DateTime (1970, 1, 1, 0, 0, 0, 0);
             return unix_epoch.AddSeconds (timestamp);
         }
+		
+		// Gets the relative path of two hirarchical absolute paths
+		public static string DiffPaths(string target, string source) {
+			return target.Replace(source + Path.DirectorySeparatorChar, "");			
+		}
     }
 }